How to query mongodb with “like” using the java api?

Question

this question is very similar to another post

I basically want to use the mongodb version of the sql \"like\" \'%m%\' operator

but in my situation i\'m using

Answer 1

You must first quote your text and then use the compile to get a regex expression:

q.put("name",  Pattern.compile(Pattern.quote(m)));

Without using java.util.Pattern.quote() some characters are not escaped.

e.g. using ? as the m parameter will throw an exception.